diff --git a/scripts/neighbor_advertiser b/scripts/neighbor_advertiser
index 154b97699473..a41e5652917e 100644
--- a/scripts/neighbor_advertiser
+++ b/scripts/neighbor_advertiser
@@ -186,7 +186,7 @@ def construct_neighbor_advertiser_slice():
         'hwSku': get_switch_hwsku()
     }
 
-    responding_scheme_obj = {
+    responding_schemes_obj = {
         'durationInSec': DEFAULT_DURATION
     }
 
@@ -233,7 +233,7 @@ def construct_neighbor_advertiser_slice():
     slice_obj = {
         'switchInfo': switch_info_obj,
         'vlanInterfaces': vlan_interfaces_obj,
-        'respondingScheme': responding_scheme_obj
+        'respondingSchemes': responding_schemes_obj
     }
 
     return slice_obj